Answer:
$15.69
Step-by-step explanation:
subtract delivery fee: 49.58 - 2.5 = 47.07
divide by amount of pizzas: 47.07 / 3 = 15.69
7 will never equal 8 so there is no solution. so i think it is C
Answer:
The standard deviation of X is 0.7
Step-by-step explanation:
We are given the following distribution:
x: 0 1 2 3
P(x): 0.3 0.5 0.2 0.4
We have to find the standard deviation of X.
Formula:

Thus, the standard deviation of X is 0.7